{
  "answerability": "evidence_backed_claims_available",
  "claims": [
    {
      "claim": {
        "claim_id": "claim-emigrant-aliases-bourland-meadow",
        "evidence_ids": [
          "evidence-emigrant-aliases-bourland-meadow"
        ],
        "predicate": "aliases",
        "spatial_scope_ids": [
          "scope-emigrant-bourland-meadow"
        ],
        "subject_id": "trailhead-emigrant-bourland-meadow",
        "temporal_scope": null,
        "value": [
          "Bourland Meadow"
        ]
      },
      "evidence": [
        {
          "claim_id": "claim-emigrant-aliases-bourland-meadow",
          "evidence_id": "evidence-emigrant-aliases-bourland-meadow",
          "notes": "",
          "observation_id": "observation-emigrant-aliases-bourland-meadow",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The source labels this access point Bourland Meadow Trailhead; alternate source labels: Bourland Meadow.",
          "observation_id": "observation-emigrant-aliases-bourland-meadow",
          "observed_at": null,
          "observer": "Wayproof primary-source review",
          "retrieved_at": "2026-10-05T22:09:18+00:00",
          "source_id": "source-usfs-emigrant-trailheads"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/sites/nfs/files/r05/stanislaus/publication/emigrant-wilderness-trailheads.pdf",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
          "source_id": "source-usfs-emigrant-trailheads"
        }
      ],
      "subject": {
        "entity_id": "trailhead-emigrant-bourland-meadow",
        "kind": "trailhead",
        "name": "Bourland Meadow Trailhead"
      }
    },
    {
      "claim": {
        "claim_id": "claim-emigrant-completion-bourland-meadow-primitive",
        "evidence_ids": [
          "evidence-emigrant-completion-bourland-meadow-primitive"
        ],
        "predicate": "historical_access_inventory",
        "spatial_scope_ids": [
          "scope-emigrant-bourland-meadow"
        ],
        "subject_id": "trailhead-emigrant-bourland-meadow",
        "temporal_scope": null,
        "value": {
          "camping_opportunities": "fair",
          "current_availability": "unknown",
          "parking": "limited",
          "reported_facilities": "none",
          "source_edition": "2012-04",
          "surface": "native",
          "trail_qualifier": "primitive"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-emigrant-completion-bourland-meadow-primitive",
          "evidence_id": "evidence-emigrant-completion-bourland-meadow-primitive",
          "notes": "",
          "observation_id": "observation-emigrant-completion-bourland-meadow-primitive",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "ROG 16-26 April 2012 labels this a primitive trail, with native surface, limited parking, fair overnight camping opportunities and no facilities. These are historical reports.",
          "observation_id": "observation-emigrant-completion-bourland-meadow-primitive",
          "observed_at": null,
          "observer": "Wayproof primary-source, map and source-feature review",
          "retrieved_at": "2026-10-06T20:36:35+00:00",
          "source_id": "source-usfs-emigrant-trailheads"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/sites/nfs/files/r05/stanislaus/publication/emigrant-wilderness-trailheads.pdf",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
          "source_id": "source-usfs-emigrant-trailheads"
        }
      ],
      "subject": {
        "entity_id": "trailhead-emigrant-bourland-meadow",
        "kind": "trailhead",
        "name": "Bourland Meadow Trailhead"
      }
    },
    {
      "claim": {
        "claim_id": "claim-emigrant-completion-bourland-meadow-road",
        "evidence_ids": [
          "evidence-emigrant-completion-bourland-meadow-road"
        ],
        "predicate": "historical_road_access",
        "spatial_scope_ids": [
          "scope-emigrant-bourland-meadow"
        ],
        "subject_id": "trailhead-emigrant-bourland-meadow",
        "temporal_scope": null,
        "value": {
          "current_access": "unknown",
          "mileages": "approximate; not modeled as driving route",
          "roads": [
            "3N01",
            "3N16"
          ],
          "source_edition": "2012-04"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-emigrant-completion-bourland-meadow-road",
          "evidence_id": "evidence-emigrant-completion-bourland-meadow-road",
          "notes": "",
          "observation_id": "observation-emigrant-completion-bourland-meadow-road",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "2012 directions from Summit Ranger District reach 3N01 via Long Barn then 3N16. Box Springs continues via 3N20Y; Bourland parking is the dead end beyond its junction. All road mileages in the guide are approximate.",
          "observation_id": "observation-emigrant-completion-bourland-meadow-road",
          "observed_at": null,
          "observer": "Wayproof primary-source, map and source-feature review",
          "retrieved_at": "2026-10-06T20:36:35+00:00",
          "source_id": "source-usfs-emigrant-trailheads"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/sites/nfs/files/r05/stanislaus/publication/emigrant-wilderness-trailheads.pdf",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
          "source_id": "source-usfs-emigrant-trailheads"
        }
      ],
      "subject": {
        "entity_id": "trailhead-emigrant-bourland-meadow",
        "kind": "trailhead",
        "name": "Bourland Meadow Trailhead"
      }
    },
    {
      "claim": {
        "claim_id": "claim-emigrant-completion-bourland-meadow-camp-limit",
        "evidence_ids": [
          "evidence-emigrant-completion-bourland-meadow-camp-limit"
        ],
        "predicate": "historical_trailhead_camping_limit",
        "spatial_scope_ids": [
          "scope-emigrant-bourland-meadow"
        ],
        "subject_id": "trailhead-emigrant-bourland-meadow",
        "temporal_scope": null,
        "value": {
          "current_limit": "recheck",
          "reported_nights": 1,
          "source_edition": "2012-04"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-emigrant-completion-bourland-meadow-camp-limit",
          "evidence_id": "evidence-emigrant-completion-bourland-meadow-camp-limit",
          "notes": "",
          "observation_id": "observation-emigrant-completion-bourland-meadow-camp-limit",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "ROG 16-26 April 2012 states a one-night limit at all trailheads; this is not current site-specific permission.",
          "observation_id": "observation-emigrant-completion-bourland-meadow-camp-limit",
          "observed_at": null,
          "observer": "Wayproof primary-source, map and source-feature review",
          "retrieved_at": "2026-10-06T20:36:35+00:00",
          "source_id": "source-usfs-emigrant-trailheads"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/sites/nfs/files/r05/stanislaus/publication/emigrant-wilderness-trailheads.pdf",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
          "source_id": "source-usfs-emigrant-trailheads"
        }
      ],
      "subject": {
        "entity_id": "trailhead-emigrant-bourland-meadow",
        "kind": "trailhead",
        "name": "Bourland Meadow Trailhead"
      }
    },
    {
      "claim": {
        "claim_id": "claim-emigrant-parking-bourland-meadow",
        "evidence_ids": [
          "evidence-emigrant-parking-bourland-meadow"
        ],
        "predicate": "parking_description",
        "spatial_scope_ids": [
          "scope-emigrant-bourland-meadow"
        ],
        "subject_id": "trailhead-emigrant-bourland-meadow",
        "temporal_scope": null,
        "value": {
          "current_availability": "unknown",
          "description": "limited parking",
          "requires_current_check": true,
          "source_edition": "2012-04"
        }
      },
      "evidence": [
        {
          "claim_id": "claim-emigrant-parking-bourland-meadow",
          "evidence_id": "evidence-emigrant-parking-bourland-meadow",
          "notes": "",
          "observation_id": "observation-emigrant-parking-bourland-meadow",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "ROG 16-26, April 2012, Bourland Meadow entry: limited parking. This is a historical guide description, not a current availability observation.",
          "observation_id": "observation-emigrant-parking-bourland-meadow",
          "observed_at": null,
          "observer": "Wayproof primary-source review",
          "retrieved_at": "2026-10-05T22:09:18+00:00",
          "source_id": "source-usfs-emigrant-trailheads"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/sites/nfs/files/r05/stanislaus/publication/emigrant-wilderness-trailheads.pdf",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
          "source_id": "source-usfs-emigrant-trailheads"
        }
      ],
      "subject": {
        "entity_id": "trailhead-emigrant-bourland-meadow",
        "kind": "trailhead",
        "name": "Bourland Meadow Trailhead"
      }
    },
    {
      "claim": {
        "claim_id": "claim-emigrant-completion-bourland-meadow-recheck",
        "evidence_ids": [
          "evidence-emigrant-completion-bourland-meadow-recheck"
        ],
        "predicate": "pretrip_access_recheck",
        "spatial_scope_ids": [
          "scope-emigrant-bourland-meadow"
        ],
        "subject_id": "trailhead-emigrant-bourland-meadow",
        "temporal_scope": null,
        "value": {
          "current_status": "unknown",
          "required": true,
          "topics": [
            "roads and seasonal access",
            "signed orders",
            "permit pickup",
            "parking and facilities"
          ]
        }
      },
      "evidence": [
        {
          "claim_id": "claim-emigrant-completion-bourland-meadow-recheck",
          "evidence_id": "evidence-emigrant-completion-bourland-meadow-recheck",
          "notes": "",
          "observation_id": "observation-emigrant-completion-bourland-meadow-recheck",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Confirm current roads, closures, parking, facilities and permit pickup before travel. Historical directions and map lines do not establish present access.",
          "observation_id": "observation-emigrant-completion-bourland-meadow-recheck",
          "observed_at": null,
          "observer": "Wayproof primary-source, map and source-feature review",
          "retrieved_at": "2026-10-06T20:36:35+00:00",
          "source_id": "source-usfs-emigrant-alerts"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
          "source_id": "source-usfs-emigrant-alerts"
        }
      ],
      "subject": {
        "entity_id": "trailhead-emigrant-bourland-meadow",
        "kind": "trailhead",
        "name": "Bourland Meadow Trailhead"
      }
    },
    {
      "claim": {
        "claim_id": "claim-emigrant-approach-recheck-bourland-meadow",
        "evidence_ids": [
          "evidence-emigrant-approach-recheck-bourland-meadow"
        ],
        "predicate": "pretrip_current_conditions_recheck",
        "spatial_scope_ids": [
          "scope-emigrant-bourland-meadow"
        ],
        "subject_id": "trailhead-emigrant-bourland-meadow",
        "temporal_scope": null,
        "value": {
          "required": true,
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          "topics": [
            "road and trail status",
            "fire restrictions",
            "parking and facility availability"
          ]
        }
      },
      "evidence": [
        {
          "claim_id": "claim-emigrant-approach-recheck-bourland-meadow",
          "evidence_id": "evidence-emigrant-approach-recheck-bourland-meadow",
          "notes": "",
          "observation_id": "observation-emigrant-approach-recheck-bourland-meadow",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "The forest alert index contains dynamic road and fire orders. Current applicability to Bourland Meadow Trailhead needs individual order and map review; its named access relationship is not an open-status observation.",
          "observation_id": "observation-emigrant-approach-recheck-bourland-meadow",
          "observed_at": null,
          "observer": "Wayproof primary-source review",
          "retrieved_at": "2026-10-05T22:09:18+00:00",
          "source_id": "source-usfs-emigrant-alerts"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
          "source_id": "source-usfs-emigrant-alerts"
        }
      ],
      "subject": {
        "entity_id": "trailhead-emigrant-bourland-meadow",
        "kind": "trailhead",
        "name": "Bourland Meadow Trailhead"
      }
    },
    {
      "claim": {
        "claim_id": "claim-emigrant-access-bourland-meadow",
        "evidence_ids": [
          "evidence-emigrant-access-bourland-meadow"
        ],
        "predicate": "wilderness_access",
        "spatial_scope_ids": [
          "scope-emigrant-bourland-meadow"
        ],
        "subject_id": "trailhead-emigrant-bourland-meadow",
        "temporal_scope": null,
        "value": "wilderness-emigrant"
      },
      "evidence": [
        {
          "claim_id": "claim-emigrant-access-bourland-meadow",
          "evidence_id": "evidence-emigrant-access-bourland-meadow",
          "notes": "",
          "observation_id": "observation-emigrant-access-bourland-meadow",
          "stance": "supports"
        }
      ],
      "observations": [
        {
          "artifact_refs": [],
          "content": "Highway 108 Access, overview access list: Bourland Meadow is explicitly listed as access to Emigrant Wilderness.",
          "observation_id": "observation-emigrant-access-bourland-meadow",
          "observed_at": null,
          "observer": "Wayproof primary-source review",
          "retrieved_at": "2026-10-05T22:09:18+00:00",
          "source_id": "source-usfs-emigrant-access"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/r05/stanislaus/recreation/emigrant-wilderness-highway-108-access",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
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        }
      ],
      "subject": {
        "entity_id": "trailhead-emigrant-bourland-meadow",
        "kind": "trailhead",
        "name": "Bourland Meadow Trailhead"
      }
    }
  ],
  "entity": {
    "entity_id": "trailhead-emigrant-bourland-meadow",
    "kind": "trailhead",
    "name": "Bourland Meadow Trailhead"
  },
  "gap_details": [
    {
      "claims": [
        {
          "claim": {
            "claim_id": "claim-emigrant-completion-bourland-meadow-recheck",
            "evidence_ids": [
              "evidence-emigrant-completion-bourland-meadow-recheck"
            ],
            "predicate": "pretrip_access_recheck",
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              "scope-emigrant-bourland-meadow"
            ],
            "subject_id": "trailhead-emigrant-bourland-meadow",
            "temporal_scope": null,
            "value": {
              "current_status": "unknown",
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                "roads and seasonal access",
                "signed orders",
                "permit pickup",
                "parking and facilities"
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-emigrant-completion-bourland-meadow-recheck",
              "evidence_id": "evidence-emigrant-completion-bourland-meadow-recheck",
              "notes": "",
              "observation_id": "observation-emigrant-completion-bourland-meadow-recheck",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "Confirm current roads, closures, parking, facilities and permit pickup before travel. Historical directions and map lines do not establish present access.",
              "observation_id": "observation-emigrant-completion-bourland-meadow-recheck",
              "observed_at": null,
              "observer": "Wayproof primary-source, map and source-feature review",
              "retrieved_at": "2026-10-06T20:36:35+00:00",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
              "publisher": "USDA Forest Service, Stanislaus National Forest",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ]
        }
      ],
      "entities": [
        {
          "entity_id": "trailhead-emigrant-bourland-meadow",
          "kind": "trailhead",
          "name": "Bourland Meadow Trailhead"
        }
      ],
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        {
          "action": "ADD",
          "change_set_id": "wp-20261006-emigrant-completion",
          "evidence_refs": [],
          "knowledge_gap_refs": [
            "gap-emigrant-completion-bourland-meadow-access"
          ],
          "path": "canonical/v0/gaps/gap-emigrant-completion-bourland-meadow-access.json",
          "reason": "Add combined southern approaches, boundary, entry-policy and facility audit; preserve uncertainty.",
          "record_id": "gap-emigrant-completion-bourland-meadow-access",
          "record_type": "gap",
          "summary": "Combine five southern/eastern Emigrant approaches with reviewed boundary, jurisdiction-specific planning and campground/operator inventory audit."
        }
      ],
      "navigation": {
        "next_id": "gap-emigrant-completion-box-springs-access",
        "position": 106,
        "previous_id": "gap-emigrant-completion-bourland-mapped-terminus-limits",
        "total": 299
      },
      "observations": [
        {
          "artifact_refs": [],
          "content": "Confirm current roads, closures, parking, facilities and permit pickup before travel. Historical directions and map lines do not establish present access.",
          "observation_id": "observation-emigrant-completion-bourland-meadow-recheck",
          "observed_at": null,
          "observer": "Wayproof primary-source, map and source-feature review",
          "retrieved_at": "2026-10-06T20:36:35+00:00",
          "source_id": "source-usfs-emigrant-alerts"
        }
      ],
      "record": {
        "gap_id": "gap-emigrant-completion-bourland-meadow-access",
        "question": "What access is usable at bourland meadow?",
        "reason": "Confirm current vehicle access, primitive trail conditions where applicable, facilities, water and overnight limits. No unreviewed road or parking connector is asserted.",
        "related_ids": [
          "claim-emigrant-completion-bourland-meadow-recheck"
        ]
      },
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        {
          "record": {
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            "evidence_ids": [
              "evidence-emigrant-completion-bourland-meadow-recheck"
            ],
            "predicate": "pretrip_access_recheck",
            "spatial_scope_ids": [
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            "subject_id": "trailhead-emigrant-bourland-meadow",
            "temporal_scope": null,
            "value": {
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              "topics": [
                "roads and seasonal access",
                "signed orders",
                "permit pickup",
                "parking and facilities"
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            }
          },
          "record_id": "claim-emigrant-completion-bourland-meadow-recheck",
          "record_type": "claim"
        }
      ],
      "sources": [
        {
          "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
          "publisher": "USDA Forest Service, Stanislaus National Forest",
          "source_id": "source-usfs-emigrant-alerts"
        }
      ]
    },
    {
      "claims": [
        {
          "claim": {
            "claim_id": "claim-emigrant-access-recheck",
            "evidence_ids": [
              "evidence-emigrant-access-recheck"
            ],
            "predicate": "pretrip_current_conditions_recheck",
            "spatial_scope_ids": [
              "scope-emigrant-wilderness"
            ],
            "subject_id": "wilderness-emigrant",
            "temporal_scope": null,
            "value": {
              "required": true,
              "topics": [
                "access roads",
                "parking",
                "trail conditions",
                "water and facilities",
                "issuing station operations"
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-emigrant-access-recheck",
              "evidence_id": "evidence-emigrant-access-recheck",
              "notes": "",
              "observation_id": "observation-emigrant-access-recheck",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "Operational Hours directs visitors to check conditions and weather before travel; named access points do not establish that a road, parking space, water supply or facility will be available.",
              "observation_id": "observation-emigrant-access-recheck",
              "observed_at": null,
              "observer": "Wayproof primary-source review",
              "retrieved_at": "2026-10-05T22:09:18+00:00",
              "source_id": "source-usfs-emigrant-access"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/r05/stanislaus/recreation/emigrant-wilderness-highway-108-access",
              "publisher": "USDA Forest Service, Stanislaus National Forest",
              "source_id": "source-usfs-emigrant-access"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-emigrant-alerts-recheck",
            "evidence_ids": [
              "evidence-emigrant-alerts-recheck"
            ],
            "predicate": "pretrip_current_conditions_recheck",
            "spatial_scope_ids": [
              "scope-emigrant-wilderness"
            ],
            "subject_id": "wilderness-emigrant",
            "temporal_scope": null,
            "value": {
              "current_route_access": "unknown",
              "required": true,
              "topics": [
                "road closures and seasonal access",
                "current fire orders",
                "occupancy rules"
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-emigrant-alerts-recheck",
              "evidence_id": "evidence-emigrant-alerts-recheck",
              "notes": "",
              "observation_id": "observation-emigrant-alerts-recheck",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "Alerts index reviewed October 5, 2026 includes fire restrictions, occupancy limits and road closure orders, including a portion of 4N12 and Cherry access road 1N98. Exact applicability and current status require individual order/map review.",
              "observation_id": "observation-emigrant-alerts-recheck",
              "observed_at": null,
              "observer": "Wayproof primary-source review",
              "retrieved_at": "2026-10-05T22:09:18+00:00",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
              "publisher": "USDA Forest Service, Stanislaus National Forest",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-emigrant-approach-recheck-bell-meadow",
            "evidence_ids": [
              "evidence-emigrant-approach-recheck-bell-meadow"
            ],
            "predicate": "pretrip_current_conditions_recheck",
            "spatial_scope_ids": [
              "scope-emigrant-bell-meadow"
            ],
            "subject_id": "trailhead-emigrant-bell-meadow",
            "temporal_scope": null,
            "value": {
              "required": true,
              "status": "unknown",
              "topics": [
                "road and trail status",
                "fire restrictions",
                "parking and facility availability"
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-emigrant-approach-recheck-bell-meadow",
              "evidence_id": "evidence-emigrant-approach-recheck-bell-meadow",
              "notes": "",
              "observation_id": "observation-emigrant-approach-recheck-bell-meadow",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "The forest alert index contains dynamic road and fire orders. Current applicability to Bell Meadow Trailhead needs individual order and map review; its named access relationship is not an open-status observation.",
              "observation_id": "observation-emigrant-approach-recheck-bell-meadow",
              "observed_at": null,
              "observer": "Wayproof primary-source review",
              "retrieved_at": "2026-10-05T22:09:18+00:00",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
              "publisher": "USDA Forest Service, Stanislaus National Forest",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-emigrant-approach-recheck-bourland-meadow",
            "evidence_ids": [
              "evidence-emigrant-approach-recheck-bourland-meadow"
            ],
            "predicate": "pretrip_current_conditions_recheck",
            "spatial_scope_ids": [
              "scope-emigrant-bourland-meadow"
            ],
            "subject_id": "trailhead-emigrant-bourland-meadow",
            "temporal_scope": null,
            "value": {
              "required": true,
              "status": "unknown",
              "topics": [
                "road and trail status",
                "fire restrictions",
                "parking and facility availability"
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-emigrant-approach-recheck-bourland-meadow",
              "evidence_id": "evidence-emigrant-approach-recheck-bourland-meadow",
              "notes": "",
              "observation_id": "observation-emigrant-approach-recheck-bourland-meadow",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "The forest alert index contains dynamic road and fire orders. Current applicability to Bourland Meadow Trailhead needs individual order and map review; its named access relationship is not an open-status observation.",
              "observation_id": "observation-emigrant-approach-recheck-bourland-meadow",
              "observed_at": null,
              "observer": "Wayproof primary-source review",
              "retrieved_at": "2026-10-05T22:09:18+00:00",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
              "publisher": "USDA Forest Service, Stanislaus National Forest",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-emigrant-approach-recheck-box-springs",
            "evidence_ids": [
              "evidence-emigrant-approach-recheck-box-springs"
            ],
            "predicate": "pretrip_current_conditions_recheck",
            "spatial_scope_ids": [
              "scope-emigrant-box-springs"
            ],
            "subject_id": "trailhead-emigrant-box-springs",
            "temporal_scope": null,
            "value": {
              "required": true,
              "status": "unknown",
              "topics": [
                "road and trail status",
                "fire restrictions",
                "parking and facility availability"
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-emigrant-approach-recheck-box-springs",
              "evidence_id": "evidence-emigrant-approach-recheck-box-springs",
              "notes": "",
              "observation_id": "observation-emigrant-approach-recheck-box-springs",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "The forest alert index contains dynamic road and fire orders. Current applicability to Box Springs Trailhead needs individual order and map review; its named access relationship is not an open-status observation.",
              "observation_id": "observation-emigrant-approach-recheck-box-springs",
              "observed_at": null,
              "observer": "Wayproof primary-source review",
              "retrieved_at": "2026-10-05T22:09:18+00:00",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
              "publisher": "USDA Forest Service, Stanislaus National Forest",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-emigrant-approach-recheck-coyote-meadow",
            "evidence_ids": [
              "evidence-emigrant-approach-recheck-coyote-meadow"
            ],
            "predicate": "pretrip_current_conditions_recheck",
            "spatial_scope_ids": [
              "scope-emigrant-coyote-meadow"
            ],
            "subject_id": "trailhead-emigrant-coyote-meadow",
            "temporal_scope": null,
            "value": {
              "required": true,
              "status": "unknown",
              "topics": [
                "road and trail status",
                "fire restrictions",
                "parking and facility availability"
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-emigrant-approach-recheck-coyote-meadow",
              "evidence_id": "evidence-emigrant-approach-recheck-coyote-meadow",
              "notes": "",
              "observation_id": "observation-emigrant-approach-recheck-coyote-meadow",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "The forest alert index contains dynamic road and fire orders. Current applicability to Coyote Meadow Trailhead needs individual order and map review; its named access relationship is not an open-status observation.",
              "observation_id": "observation-emigrant-approach-recheck-coyote-meadow",
              "observed_at": null,
              "observer": "Wayproof primary-source review",
              "retrieved_at": "2026-10-05T22:09:18+00:00",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
              "publisher": "USDA Forest Service, Stanislaus National Forest",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-emigrant-approach-recheck-crabtree",
            "evidence_ids": [
              "evidence-emigrant-approach-recheck-crabtree"
            ],
            "predicate": "pretrip_current_conditions_recheck",
            "spatial_scope_ids": [
              "scope-emigrant-crabtree"
            ],
            "subject_id": "trailhead-emigrant-crabtree",
            "temporal_scope": null,
            "value": {
              "required": true,
              "status": "unknown",
              "topics": [
                "road and trail status",
                "fire restrictions",
                "parking and facility availability"
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-emigrant-approach-recheck-crabtree",
              "evidence_id": "evidence-emigrant-approach-recheck-crabtree",
              "notes": "",
              "observation_id": "observation-emigrant-approach-recheck-crabtree",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "The forest alert index contains dynamic road and fire orders. Current applicability to Crabtree Trailhead needs individual order and map review; its named access relationship is not an open-status observation.",
              "observation_id": "observation-emigrant-approach-recheck-crabtree",
              "observed_at": null,
              "observer": "Wayproof primary-source review",
              "retrieved_at": "2026-10-05T22:09:18+00:00",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
              "publisher": "USDA Forest Service, Stanislaus National Forest",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-emigrant-approach-recheck-eagle-meadow",
            "evidence_ids": [
              "evidence-emigrant-approach-recheck-eagle-meadow"
            ],
            "predicate": "pretrip_current_conditions_recheck",
            "spatial_scope_ids": [
              "scope-emigrant-eagle-meadow"
            ],
            "subject_id": "trailhead-emigrant-eagle-meadow",
            "temporal_scope": null,
            "value": {
              "required": true,
              "status": "unknown",
              "topics": [
                "road and trail status",
                "fire restrictions",
                "parking and facility availability"
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-emigrant-approach-recheck-eagle-meadow",
              "evidence_id": "evidence-emigrant-approach-recheck-eagle-meadow",
              "notes": "",
              "observation_id": "observation-emigrant-approach-recheck-eagle-meadow",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "The forest alert index contains dynamic road and fire orders. Current applicability to Eagle Meadow Trailhead needs individual order and map review; its named access relationship is not an open-status observation.",
              "observation_id": "observation-emigrant-approach-recheck-eagle-meadow",
              "observed_at": null,
              "observer": "Wayproof primary-source review",
              "retrieved_at": "2026-10-05T22:09:18+00:00",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
              "publisher": "USDA Forest Service, Stanislaus National Forest",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-emigrant-approach-recheck-gianelli",
            "evidence_ids": [
              "evidence-emigrant-approach-recheck-gianelli"
            ],
            "predicate": "pretrip_current_conditions_recheck",
            "spatial_scope_ids": [
              "scope-emigrant-gianelli"
            ],
            "subject_id": "trailhead-emigrant-gianelli",
            "temporal_scope": null,
            "value": {
              "required": true,
              "status": "unknown",
              "topics": [
                "road and trail status",
                "fire restrictions",
                "parking and facility availability"
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-emigrant-approach-recheck-gianelli",
              "evidence_id": "evidence-emigrant-approach-recheck-gianelli",
              "notes": "",
              "observation_id": "observation-emigrant-approach-recheck-gianelli",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "The forest alert index contains dynamic road and fire orders. Current applicability to Gianelli Cabin Trailhead needs individual order and map review; its named access relationship is not an open-status observation.",
              "observation_id": "observation-emigrant-approach-recheck-gianelli",
              "observed_at": null,
              "observer": "Wayproof primary-source review",
              "retrieved_at": "2026-10-05T22:09:18+00:00",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
              "publisher": "USDA Forest Service, Stanislaus National Forest",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-emigrant-approach-recheck-kennedy-meadows",
            "evidence_ids": [
              "evidence-emigrant-approach-recheck-kennedy-meadows"
            ],
            "predicate": "pretrip_current_conditions_recheck",
            "spatial_scope_ids": [
              "scope-emigrant-kennedy-meadows"
            ],
            "subject_id": "trailhead-emigrant-kennedy-meadows",
            "temporal_scope": null,
            "value": {
              "required": true,
              "status": "unknown",
              "topics": [
                "road and trail status",
                "fire restrictions",
                "parking and facility availability"
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-emigrant-approach-recheck-kennedy-meadows",
              "evidence_id": "evidence-emigrant-approach-recheck-kennedy-meadows",
              "notes": "",
              "observation_id": "observation-emigrant-approach-recheck-kennedy-meadows",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "The forest alert index contains dynamic road and fire orders. Current applicability to Kennedy Meadows Trailhead (Stanislaus) needs individual order and map review; its named access relationship is not an open-status observation.",
              "observation_id": "observation-emigrant-approach-recheck-kennedy-meadows",
              "observed_at": null,
              "observer": "Wayproof primary-source review",
              "retrieved_at": "2026-10-05T22:09:18+00:00",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
              "publisher": "USDA Forest Service, Stanislaus National Forest",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-emigrant-approach-recheck-sonora-pass",
            "evidence_ids": [
              "evidence-emigrant-approach-recheck-sonora-pass"
            ],
            "predicate": "pretrip_current_conditions_recheck",
            "spatial_scope_ids": [
              "scope-emigrant-sonora-pass"
            ],
            "subject_id": "trailhead-emigrant-sonora-pass",
            "temporal_scope": null,
            "value": {
              "required": true,
              "status": "unknown",
              "topics": [
                "road and trail status",
                "fire restrictions",
                "parking and facility availability"
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-emigrant-approach-recheck-sonora-pass",
              "evidence_id": "evidence-emigrant-approach-recheck-sonora-pass",
              "notes": "",
              "observation_id": "observation-emigrant-approach-recheck-sonora-pass",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "The forest alert index contains dynamic road and fire orders. Current applicability to Sonora Pass Trailhead needs individual order and map review; its named access relationship is not an open-status observation.",
              "observation_id": "observation-emigrant-approach-recheck-sonora-pass",
              "observed_at": null,
              "observer": "Wayproof primary-source review",
              "retrieved_at": "2026-10-05T22:09:18+00:00",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
              "publisher": "USDA Forest Service, Stanislaus National Forest",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-emigrant-approach-recheck-waterhouse",
            "evidence_ids": [
              "evidence-emigrant-approach-recheck-waterhouse"
            ],
            "predicate": "pretrip_current_conditions_recheck",
            "spatial_scope_ids": [
              "scope-emigrant-waterhouse"
            ],
            "subject_id": "trailhead-emigrant-waterhouse",
            "temporal_scope": null,
            "value": {
              "required": true,
              "status": "unknown",
              "topics": [
                "road and trail status",
                "fire restrictions",
                "parking and facility availability"
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-emigrant-approach-recheck-waterhouse",
              "evidence_id": "evidence-emigrant-approach-recheck-waterhouse",
              "notes": "",
              "observation_id": "observation-emigrant-approach-recheck-waterhouse",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "The forest alert index contains dynamic road and fire orders. Current applicability to Waterhouse Trailhead needs individual order and map review; its named access relationship is not an open-status observation.",
              "observation_id": "observation-emigrant-approach-recheck-waterhouse",
              "observed_at": null,
              "observer": "Wayproof primary-source review",
              "retrieved_at": "2026-10-05T22:09:18+00:00",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/r05/stanislaus/alerts",
              "publisher": "USDA Forest Service, Stanislaus National Forest",
              "source_id": "source-usfs-emigrant-alerts"
            }
          ]
        },
        {
          "claim": {
            "claim_id": "claim-emigrant-conditions-recheck",
            "evidence_ids": [
              "evidence-emigrant-conditions-recheck"
            ],
            "predicate": "pretrip_current_conditions_recheck",
            "spatial_scope_ids": [
              "scope-emigrant-wilderness"
            ],
            "subject_id": "wilderness-emigrant",
            "temporal_scope": null,
            "value": {
              "required": true,
              "topics": [
                "fire restrictions",
                "smoke",
                "snow",
                "weather and avalanche conditions"
              ]
            }
          },
          "evidence": [
            {
              "claim_id": "claim-emigrant-conditions-recheck",
              "evidence_id": "evidence-emigrant-conditions-recheck",
              "notes": "",
              "observation_id": "observation-emigrant-conditions-recheck",
              "stance": "supports"
            }
          ],
          "observations": [
            {
              "artifact_refs": [],
              "content": "Current Conditions links to current fire restrictions, fire/smoke, avalanche forecasts and regional snow depth. These are pre-trip checking sources, not an observation of open roads or safe trails.",
              "observation_id": "observation-emigrant-conditions-recheck",
              "observed_at": null,
              "observer": "Wayproof primary-source review",
              "retrieved_at": "2026-10-05T22:09:18+00:00",
              "source_id": "source-usfs-emigrant-conditions"
            }
          ],
          "sources": [
            {
              "locator": "https://www.fs.usda.gov/r05/stanislaus/conditions",
              "publisher": "USDA Forest Service, Stanislaus National Forest",
              "source_id": "source-usfs-emigrant-conditions"
            }
          ]
        }
      ],
      "entities": [
        {
          "entity_id": "trailhead-emigrant-bell-meadow",
          "kind": "trailhead",
          "name": "Bell Meadow Trailhead"
        },
        {
          "entity_id": "trailhead-emigrant-bourland-meadow",
          "kind": "trailhead",
          "name": "Bourland Meadow Trailhead"
        },
        {
          "entity_id": "trailhead-emigrant-box-springs",
          "kind": "trailhead",
          "name": "Box Springs Trailhead"
        },
        {
          "entity_id": "trailhead-emigrant-coyote-meadow",
          "kind": "trailhead",
          "name": "Coyote Meadow Trailhead"
        },
        {
          "entity_id": "trailhead-emigrant-crabtree",
          "kind": "trailhead",
          "name": "Crabtree Trailhead"
        },
        {
          "entity_id": "trailhead-emigrant-eagle-meadow",
          "kind": "trailhead",
          "name": "Eagle Meadow Trailhead"
        },
        {
          "entity_id": "trailhead-emigrant-gianelli",
          "kind": "trailhead",
          "name": "Gianelli Cabin Trailhead"
        },
        {
          "entity_id": "trailhead-emigrant-kennedy-meadows",
          "kind": "trailhead",
          "name": "Kennedy Meadows Trailhead (Stanislaus)"
        },
        {
          "entity_id": "trailhead-emigrant-sonora-pass",
          "kind": "trailhead",
          "name": "Sonora Pass Trailhead"
        },
        {
          "entity_id": "trailhead-emigrant-waterhouse",
          "kind": "trailhead",
          "name": "Waterhouse Trailhead"
        },
        {
          "entity_id": "wilderness-emigrant",
          "kind": "wilderness",
          "name": "Emigrant Wilderness"
        }
      ],
      "history": [
        {
          "action": "ADD",
          "change_set_id": "wp-20261005-emigrant-foundation",
          "evidence_refs": [],
          "knowledge_gap_refs": [
            "gap-emigrant-current-conditions"
          ],
          "path": "canonical/v0/gaps/gap-emigrant-current-conditions.json",
          "reason": "Establish source-backed Emigrant planning foundation with explicit uncertainty.",
          "record_id": "gap-emigrant-current-conditions",
          "record_type": "gap",
          "summary": "Establish Emigrant Wilderness access and overnight planning foundation; preserve USFS conflicts and current-condition gaps."
        }
      ],
      "navigation": {
        "next_id": "gap-emigrant-facility-inventory",
        "position": 175,
        "previous_id": "gap-emigrant-cross-boundary-permits",
        "total": 299
      },
      "observations": [
        {
          "artifact_refs": [],
          "content": "Operational Hours directs visitors to check conditions and weather before travel; named access points do not establish that a road, parking space, water supply or facility will be available.",
          "observation_id": "observation-emigrant-access-recheck",
          "observed_at": null,
          "observer": "Wayproof primary-source review",
          "retrieved_at": "2026-10-05T22:09:18+00:00",
          "source_id": "source-usfs-emigrant-access"
        },
        {
          "artifact_refs": [],
          "content": "Alerts index reviewed October 5, 2026 includes fire restrictions, occupancy limits and road closure orders, including a portion of 4N12 and Cherry access road 1N98. Exact applicability and current status require individual order/map review.",
          "observation_id": "observation-emigrant-alerts-recheck",
          "observed_at": null,
          "observer": "Wayproof primary-source review",
          "retrieved_at": "2026-10-05T22:09:18+00:00",
          "source_id": "source-usfs-emigrant-alerts"
        },
        {
          "artifact_refs": [],
          "content": "The forest alert index contains dynamic road and fire orders. Current applicability to Bell Meadow Trailhead needs individual order and map review; its named access relationship is not an open-status observation.",
          "observation_id": "observation-emigrant-approach-recheck-bell-meadow",
          "observed_at": null,
          "observer": "Wayproof primary-source review",
          "retrieved_at": "2026-10-05T22:09:18+00:00",
          "source_id": "source-usfs-emigrant-alerts"
        },
        {
          "artifact_refs": [],
          "content": "The forest alert index contains dynamic road and fire orders. Current applicability to Bourland Meadow Trailhead needs individual order and map review; its named access relationship is not an open-status observation.",
          "observation_id": "observation-emigrant-approach-recheck-bourland-meadow",
          "observed_at": null,
          "observer": "Wayproof primary-source review",
          "retrieved_at": "2026-10-05T22:09:18+00:00",
          "source_id": "source-usfs-emigrant-alerts"
        },
        {
          "artifact_refs": [],
          "content": "The forest alert index contains dynamic road and fire orders. Current applicability to Box Springs Trailhead needs individual order and map review; its named access relationship is not an open-status observation.",
          "observation_id": "observation-emigrant-approach-recheck-box-springs",
          "observed_at": null,
          "observer": "Wayproof primary-source review",
          "retrieved_at": "2026-10-05T22:09:18+00:00",
          "source_id": "source-usfs-emigrant-alerts"
        },
        {
          "artifact_refs": [],
          "content": "The forest alert index contains dynamic road and fire orders. Current applicability to Coyote Meadow Trailhead needs individual order and map review; its named access relationship is not an open-status observation.",
          "observation_id": "observation-emigrant-approach-recheck-coyote-meadow",
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        {
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            "claim-emigrant-approach-recheck-sonora-pass"
          ]
        }
      ],
      "relationships": [],
      "role": "Selected place"
    }
  ],
  "knowledge_gaps": [
    {
      "gap_id": "gap-emigrant-completion-bourland-meadow-access",
      "question": "What access is usable at bourland meadow?",
      "reason": "Confirm current vehicle access, primitive trail conditions where applicable, facilities, water and overnight limits. No unreviewed road or parking connector is asserted.",
      "related_ids": [
        "claim-emigrant-completion-bourland-meadow-recheck"
      ]
    },
    {
      "gap_id": "gap-emigrant-current-conditions",
      "question": "Are the selected approach and facilities usable on the trip date?",
      "reason": "Current road, trail, snow, crossing, water, fire and facility status is unknown. Individual alerts and mapped closures need route-specific matching; the Site Open banner is not route-level clearance.",
      "related_ids": [
        "wilderness-emigrant",
        "claim-emigrant-conditions-recheck",
        "claim-emigrant-alerts-recheck",
        "claim-emigrant-access-recheck",
        "claim-emigrant-approach-recheck-bell-meadow",
        "claim-emigrant-approach-recheck-bourland-meadow",
        "claim-emigrant-approach-recheck-box-springs",
        "claim-emigrant-approach-recheck-crabtree",
        "claim-emigrant-approach-recheck-coyote-meadow",
        "claim-emigrant-approach-recheck-eagle-meadow",
        "claim-emigrant-approach-recheck-gianelli",
        "claim-emigrant-approach-recheck-kennedy-meadows",
        "claim-emigrant-approach-recheck-waterhouse",
        "claim-emigrant-approach-recheck-sonora-pass"
      ]
    }
  ],
  "reference_evidence": [],
  "relationships": [
    {
      "evidence_ids": [
        "evidence-emigrant-access-bourland-meadow"
      ],
      "object_id": "wilderness-emigrant",
      "predicate": "accesses",
      "relationship_id": "relationship-emigrant-access-bourland-meadow",
      "subject_id": "trailhead-emigrant-bourland-meadow",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-emigrant-completion-bourland-mapped-terminus-profile"
      ],
      "object_id": "trailhead-emigrant-bourland-meadow",
      "predicate": "starts_at",
      "relationship_id": "relationship-emigrant-completion-bourland-mapped-terminus-start",
      "subject_id": "route-emigrant-bourland-mapped-terminus",
      "temporal_scope": null
    },
    {
      "evidence_ids": [
        "evidence-emigrant-completion-bourland-topology",
        "evidence-emigrant-completion-bourland-geometry"
      ],
      "object_id": "trailhead-emigrant-bourland-meadow",
      "predicate": "starts_at",
      "relationship_id": "relationship-emigrant-completion-bourland-start",
      "subject_id": "route-segment-emigrant-completion-bourland",
      "temporal_scope": null
    }
  ],
  "route_geometry": null,
  "route_geometry_url": null,
  "type": "canonical_entity"
}